. . . "Specific examples that may be cited of inorganic colorants include oxides such as titanium dioxide and red oxide, hydroxides such as alumina white, sulfides such as zinc sulfide, selenides, ferrocyanides such as Prussian blue, chromates such as zinc chromate and molybdenum red, sulfates such as barium sulfate, carbonates such as calcium carbonate, silicates such as ultramarine blue, phosphates suc" .